Android: If you're stargazing at night, or just somewhere dark and you don't want to be blinded by using your phone, Sunset for Android is a simple screen filter that applies a reddish overtone to your display so you won't lose your night vision.

Android (Rooted, 4.0+): One of the best things about having a rooted phone is that you can really get your hands dirty tweaking it, and eXperience is a new app that lets you do just that. A few taps will overclock your phone's CPU, give you independent volume controls, control music with the volume buttons, and more.

Twilight is an Android app that automatically adjusts your device's brightness (or really, color temperature) over the course of the day, reducing the harsh whites and blues as the day progresses. We've talked about how to avoid eyestrain at the computer, but when you're not staring at a computer screen, you're…

If you do a lot of multitasking on a desktop computer, a second monitor can be a great way to increase productivity. It can also increase distractions. If you're like me and find yourself paying more attention to IM conversations, Netflix, or Twitter on your second display, I've found mounting it above your main one…

Mac: It's always a bit annoying when you're reading a long article (or just spacing out) and your computer cuts to the screensaver because you haven't touched the mouse in a while. Should I Sleep is an app that keeps your display from going to sleep as long as you're sitting in front of it by using facial recognition.

Android: Smart Screen On is an Android utility that turns your phone's proximity sensor into a substitute power button that can turn your display on or off with a simple wave over the front of your device. If you're sitting in class and want to see what that notification is without picking up your phone, wave your…

iOS (Jailbroken) The iPhone's automatic brightness feature kind of stinks and the brightness slider is hidden away inside the settings menu making it a pain to get to in a hurry. If you're sick of being blinded by your phone in the morning or not being able to see a thing in the sun then Swipebright is a simple toggle…

A lot of us stare at a computer monitor for the bulk of our day and reading long articles or books is rarely a comfortable experience. With that in mind, here's a few steps you can take to make you reading experience less terrible.

Android: By default, your Android device's proximity sensor should turn your display off when you bring your phone up to your ear to take a call, and turn it back on when you pull it away from your ear, but not all phones do the job well, and even fewer extend that feature to when you put your phone face-down on a…

Turning your computer monitor into a 10-foot display is a handy way to see information in an easy to read format wherever you are in your office. DEXTR blows your Twitter feed up for one-at-a-time tweet reading from across the room.

Is there life for laptops after a screen goes dead? Absolutely. You can replace a laptop screen for much less than official service or a full replacement, or turn your laptop into a very space-efficient desktop computer with a cheap monitor.